US5285228A - Photographic film package with anti-reflection substance for viewfinder - Google Patents

Photographic film package with anti-reflection substance for viewfinder Download PDF

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Publication number
US5285228A
US5285228A US08/004,870 US487093A US5285228A US 5285228 A US5285228 A US 5285228A US 487093 A US487093 A US 487093A US 5285228 A US5285228 A US 5285228A
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United States
Prior art keywords
finder lens
inside surface
top cover
photographic film
camera
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US08/004,870
Inventor
Alan V. Vandemoere
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Eastman Kodak Co
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Eastman Kodak Co
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Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to US08/004,870 priority Critical patent/US5285228A/en
Assigned to EASTMAN KODAK COMPANY reassignment EASTMAN KODAK COMPANY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: VANDEMOERE, ALAN V.
Priority to EP94100336A priority patent/EP0607852A1/en
Priority to JP6003866A priority patent/JPH07191435A/en
Application granted granted Critical
Publication of US5285228A publication Critical patent/US5285228A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/04—Roll-film cameras
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2219/00—Cameras
    • G03B2219/02—Still-picture cameras
    • G03B2219/04—Roll-film cameras
    • G03B2219/045—Roll-film cameras adapted for unloading the film in the processing laboratory, e.g. disposable, reusable or recyclable cameras

Definitions

  • the invention relates generally to the field of photography, and in particular to a photographic film package more commonly known as a single-use or disposable camera.
  • each single-use camera is a point-and-shoot type that comprises a plastic inner camera shell or body and a paper-cardboard outer packaging that tightly encases the inner camera shell.
  • the inner camera shell houses or supports the various camera components such as a fixed-focus taking lens, a film advance and metering mechanism, a shutter, a simple see-through viewfinder, a frame or exposure counter, a manual film advance thumbwheel, etc.
  • the outer packaging has respective openings for the taking lens, the viewfinder, the frame counter, and the thumbwheel.
  • the camera shell is loaded with a conventional 24-exposure 35 mm film cartridge, and substantially the entire length of the unexposed filmstrip is factory pre-wound from the cartridge into a supply chamber of the camera shell.
  • the thumbwheel is manually rotated to rewind the exposed frame into the cartridge.
  • the rewinding movement of the filmstrip the equivalent of one frame rotates a metering sprocket to decrement the frame counter to its next lower numbered setting.
  • U.S. Pat. No. 4,812,866 issued Mar. 14, 1989, discloses a single-use camera comprising an opaque main body section pre-loaded with a roll film and including the shutter and the taking lens, an opaque back cover section attached to the rear of the main body section to light-tightly shield the film, and a transparent front cover section attached to the front of the main body section and having an integral single-element taking lens or an integral single-element finder lens and an integral viewfinder tunnel.
  • a cardboard opaque box tightly encases the main body section and the front and rear cover sections, and has a front opening for the single-element taking or finder lens.
  • the front finder lens When in a single-use camera the front finder lens is integral with a transparent cover section of the camera body and the inside surface of the cardboard box is light-reflective (for example because it is white or lightly colored), as in U.S. Pat. No. 4,812,866, ambient light transmitted through the front finder lens will be reflected off certain portions of the inside surface of the cardboard box which lie over the transparent front cover. Consequently, the peripheral edge of the front finder lens may appear to have undesireable bright spots that interfere with the view through the see-through viewfinder of a subject to be photographed.
  • a photographic film package comprising a camera pre-loaded with a roll film and including a non-opaque body section having an integral front finder lens for viewing a subject to be photographed, and an outer opaque packaging tightly encasing the camera and having a front opening for the front finder lens, is characterized in that:
  • the outer packaging is coated with a light-absorbent substance at a location along its inside surface, which is sufficiently absorbent to prevent ambient light transmitted through the front finder lens to the location from being reflected off the inside surface at least to the front finder lens.
  • peripheral edge of the front finder lens will not appear to have undesireable bright spots as in prior art cameras.
  • FIG. 1 is an exploded perspective view of a photographic film package including an inner camera pre-loaded with a roll film, a translucent top cover section of the inner camera having integral front and rear finder lenses, and an outer packaging for the inner camera; and
  • FIG. 2 is a plan view of the outer packaging, laid flat in an unassembled state.
  • the invention is disclosed as being embodied in a 35 mm photographic film package more commonly known as a single-use or disposable camera. Because such a photographic camera has become generally known, this description is directed in particular to camera elements forming part of or cooperating directly with the invention. It is to be understood, however, that other elements not specifically shown or described may take various forms known to a person of ordinary skill in the art.
  • FIG. 1 depicts a photographic film package 1 comprising an inner camera 3 pre-loaded with a conventional 35 mm film cartridge containing a roll film, not shown, and an outer cardboard packaging 5 intended to tightly encase the inner camera.
  • the inner camera 3 includes a front wall section 7 having a lens opening 9 for a taking lens 11, a viewfinder void 13, a rear wall 15 having a rear finder opening 17, and a non-opaque, i.e. translucent or transparent, top cover 19. See FIG. 1.
  • the top cover 19 has an integral rear finder lens 21 which extends perpendicular to the top cover to hang down into the viewfinder void 13 immediately in front of the rear finder opening 17, an integral front finder lens 23 which extends perpendicular to the top cover to hang down into the viewfinder void in optical alignment with the rear finder lens, an integral top magnifier lens 25 for a built-in frame counter 27, and an integral top shutter release cantilevered push button 29.
  • the outer packaging 5 includes a front wall section 31 having a front opening 33 for the lens opening 9 with dimensions that are significantly greater than the lens opening and a front opening 35 for the front finder lens 23 with dimensions that are slightly less than those of the front finder lens to form a peripheral mask for the front finder lens, a top wall section 37 which extends parallel to the top cover 19 and has respective top openings 39 and 41 for the top magnifier lens 25 and the top shutter release button 29, and a rear wall section 43 having a rear opening 45 for the rear finder opening 17 and a rear opening 47 for a built-in manual film advance thumbwheel 49. See FIGS. 1 and 2.
  • An inside surface 51 of the front wall section 31 surrounding the front opening 35 and an inside surface 53 of the top wall section 37 over the viewfinder void 13 is coated with a light-absorbent substance 55, such as dull black ink or paint, to prevent ambient light transmitted through the front finder lens 23 into the viewfinder void from being reflected off the two inside surfaces to the front finder lens and the viewfinder void.
  • a light-absorbent substance 55 such as dull black ink or paint

Abstract

A photographic film package comprises a camera pre-loaded with a roll film and including a non-opaque body section having an integral front finder lens for viewing a subject to be photographed, and an outer opaque packaging tightly encasing the camera and having a front opening for the front finder lens. The outer packaging is coated with a light-absorbent substance at a location along its inside surface, which is sufficiently absorbent to prevent ambient light transmitted through the front finder lens to the location from being reflected off the inside surface at least to the front finder lens. Consequently, the peripheral edge of the front finder lens will not appear to have undesireable bright spots as in prior art cameras.

Description

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates generally to the field of photography, and in particular to a photographic film package more commonly known as a single-use or disposable camera.
2. Description of the Prior Art
Single-use or disposable cameras have become well known. Generally, each single-use camera is a point-and-shoot type that comprises a plastic inner camera shell or body and a paper-cardboard outer packaging that tightly encases the inner camera shell. The inner camera shell houses or supports the various camera components such as a fixed-focus taking lens, a film advance and metering mechanism, a shutter, a simple see-through viewfinder, a frame or exposure counter, a manual film advance thumbwheel, etc. The outer packaging has respective openings for the taking lens, the viewfinder, the frame counter, and the thumbwheel. At the manufacturer, the camera shell is loaded with a conventional 24-exposure 35 mm film cartridge, and substantially the entire length of the unexposed filmstrip is factory pre-wound from the cartridge into a supply chamber of the camera shell. After the photographer takes a picture, the thumbwheel is manually rotated to rewind the exposed frame into the cartridge. The rewinding movement of the filmstrip the equivalent of one frame rotates a metering sprocket to decrement the frame counter to its next lower numbered setting. When the filmstrip is fully exposed and completely rewound into the cartridge, the single-use camera is sent to a photofinisher who processes the filmstrip and recycles certain camera parts.
U.S. Pat. No. 4,812,866, issued Mar. 14, 1989, discloses a single-use camera comprising an opaque main body section pre-loaded with a roll film and including the shutter and the taking lens, an opaque back cover section attached to the rear of the main body section to light-tightly shield the film, and a transparent front cover section attached to the front of the main body section and having an integral single-element taking lens or an integral single-element finder lens and an integral viewfinder tunnel. A cardboard opaque box tightly encases the main body section and the front and rear cover sections, and has a front opening for the single-element taking or finder lens.
Problem to be Solved By the Invention
When in a single-use camera the front finder lens is integral with a transparent cover section of the camera body and the inside surface of the cardboard box is light-reflective ( for example because it is white or lightly colored), as in U.S. Pat. No. 4,812,866, ambient light transmitted through the front finder lens will be reflected off certain portions of the inside surface of the cardboard box which lie over the transparent front cover. Consequently, the peripheral edge of the front finder lens may appear to have undesireable bright spots that interfere with the view through the see-through viewfinder of a subject to be photographed.
SUMMARY OF THE INVENTION
According to the invention, a photographic film package comprising a camera pre-loaded with a roll film and including a non-opaque body section having an integral front finder lens for viewing a subject to be photographed, and an outer opaque packaging tightly encasing the camera and having a front opening for the front finder lens, is characterized in that:
the outer packaging is coated with a light-absorbent substance at a location along its inside surface, which is sufficiently absorbent to prevent ambient light transmitted through the front finder lens to the location from being reflected off the inside surface at least to the front finder lens.
Consequently, the peripheral edge of the front finder lens will not appear to have undesireable bright spots as in prior art cameras.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is an exploded perspective view of a photographic film package including an inner camera pre-loaded with a roll film, a translucent top cover section of the inner camera having integral front and rear finder lenses, and an outer packaging for the inner camera; and
FIG. 2 is a plan view of the outer packaging, laid flat in an unassembled state.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
The invention is disclosed as being embodied in a 35 mm photographic film package more commonly known as a single-use or disposable camera. Because such a photographic camera has become generally known, this description is directed in particular to camera elements forming part of or cooperating directly with the invention. It is to be understood, however, that other elements not specifically shown or described may take various forms known to a person of ordinary skill in the art.
Referring now to the drawings, FIG. 1 depicts a photographic film package 1 comprising an inner camera 3 pre-loaded with a conventional 35 mm film cartridge containing a roll film, not shown, and an outer cardboard packaging 5 intended to tightly encase the inner camera.
The inner camera 3 includes a front wall section 7 having a lens opening 9 for a taking lens 11, a viewfinder void 13, a rear wall 15 having a rear finder opening 17, and a non-opaque, i.e. translucent or transparent, top cover 19. See FIG. 1. The top cover 19 has an integral rear finder lens 21 which extends perpendicular to the top cover to hang down into the viewfinder void 13 immediately in front of the rear finder opening 17, an integral front finder lens 23 which extends perpendicular to the top cover to hang down into the viewfinder void in optical alignment with the rear finder lens, an integral top magnifier lens 25 for a built-in frame counter 27, and an integral top shutter release cantilevered push button 29.
The outer packaging 5 includes a front wall section 31 having a front opening 33 for the lens opening 9 with dimensions that are significantly greater than the lens opening and a front opening 35 for the front finder lens 23 with dimensions that are slightly less than those of the front finder lens to form a peripheral mask for the front finder lens, a top wall section 37 which extends parallel to the top cover 19 and has respective top openings 39 and 41 for the top magnifier lens 25 and the top shutter release button 29, and a rear wall section 43 having a rear opening 45 for the rear finder opening 17 and a rear opening 47 for a built-in manual film advance thumbwheel 49. See FIGS. 1 and 2. An inside surface 51 of the front wall section 31 surrounding the front opening 35 and an inside surface 53 of the top wall section 37 over the viewfinder void 13 is coated with a light-absorbent substance 55, such as dull black ink or paint, to prevent ambient light transmitted through the front finder lens 23 into the viewfinder void from being reflected off the two inside surfaces to the front finder lens and the viewfinder void.
The invention has been described with reference to a preferred embodiment. However, it will be appreciated that variations and modifications can be effected by a person of ordinary skill in the art without departing from the scope of the invention.

Claims (9)

I claim:
1. A photographic film package comprising a camera pre-loaded with a roll film and including a non-opaque body section having an integral front finder lens for viewing a subject to be photographed, and an outer opaque packaging tightly encasing said camera and having a front opening for said front finder lens, is characterized in that:
said outer packaging is coated with a light-absorbent substance at a location along its inside surface, which is sufficiently absorbent to prevent ambient light transmitted through said front finder lens to said location from being reflected off said inside surface at least to the front finder lens.
2. A photographic film package as recited in claim 1, wherein said light-absorbent substance is dull black to reflect little or no ambient light.
3. A photographic film package as recited in claim 1, wherein said non-opaque body section has an integral rear finder lens optically aligned with said front finder lens and is translucent except for the front finder lens and said rear finder lens.
4. A photographic film package as recited in claim 1, wherein said location along said inside surface of said outer packaging at which the inside surface is coated with said light-absorbent surface surrounds said front opening for said front finder lens.
5. A photographic film package as recited in claim 1, wherein said non-opaque body section includes a non-opaque top cover for said camera, and said location along said inside surface of said outer packaging at which the inside surface is coated with said light-absorbent surface extends substantially parallel to said top cover to prevent ambient light transmitted through said front finder lens from being reflected off the inside surface to said top cover.
6. A photographic film package as recited in claim 1, wherein said non-opaque body section includes a non-opaque top cover for said camera, said front finder lens is integral with said top cover and is arranged to hang down substantially perpendicular from the top cover, and said location along said inside surface of said outer packaging at which the inside surface is coated with said light-absorbent surface surrounds said front opening for said front finder lens and extends substantially parallel to said top cover.
7. A photographic film package as recited in claim 6, wherein said front opening for said front finder lens has dimensions that are less than those of the front finder lens to form a peripheral mask for the front finder lens.
8. A photographic film package comprising a camera pre-loaded with a roll film and including a non-opaque body section having an integral front finder lens for viewing a subject to be photographed, and an outer opaque packaging tightly encasing said camera and having a front opening for said front finder lens, is characterized in that:
said non-opaque body section includes a translucent top cover for said camera and has a rear finder lens integral with said top cover and arranged to hang down substantially perpendicular from the top cover;
said front finder lens is integral with said top cover and is arranged to hang down substantially perpendicular from the top cover to lie in optical alignment with said rear finder lens; and
said outer packaging is coated with a light-absorbent substance at a location along its inside surface, which is sufficiently absorbent to prevent ambient light transmitted through said front finder lens to said location from being reflected off said inside surface at least to the front finder lens.
9. A photographic film package as recited in claim 8, wherein said outer packaging has a rear opening for said rear finder lens, and said location along said inside surface of said outer packaging at which the inside surface is coated with said light-absorbent substance extends rearward from said front opening for said front finder lens towards said rear opening for said rear finder lens.
US08/004,870 1993-01-19 1993-01-19 Photographic film package with anti-reflection substance for viewfinder Expired - Fee Related US5285228A (en)

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Application Number Priority Date Filing Date Title
US08/004,870 US5285228A (en) 1993-01-19 1993-01-19 Photographic film package with anti-reflection substance for viewfinder
EP94100336A EP0607852A1 (en) 1993-01-19 1994-01-12 Photographic film package with anti-reflection substance for viewfinder
JP6003866A JPH07191435A (en) 1993-01-19 1994-01-19 Photographic film wrapping body

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US08/004,870 US5285228A (en) 1993-01-19 1993-01-19 Photographic film package with anti-reflection substance for viewfinder

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5463439A (en) * 1994-05-19 1995-10-31 Eastman Kodak Company Fold-in information-bearing panel and fold-out write-on panel for outer cover of single-use camera
US5537176A (en) * 1993-03-01 1996-07-16 Fuji Photo Film Co., Ltd. Lens-fitted photographic film unit
US5634164A (en) * 1994-09-19 1997-05-27 Fuji Photo Film Co., Ltd. Lens-fitted photographic film unit shaped to compensate for jacket expansion
US5711424A (en) * 1996-08-29 1998-01-27 Eastman Kodak Company Packaged one-time-use camera and accessory belt clip
US5713046A (en) * 1993-10-07 1998-01-27 Fuji Photo Film Co., Ltd. Lens-fitted photographic film unit
US6078754A (en) * 1999-04-01 2000-06-20 Eastman Kodak Company Combined frame counter and view
US6192194B1 (en) 2000-03-09 2001-02-20 Eastman Kodak Company Camera housing with window insert conforming to housing shape
US6301437B1 (en) * 1995-07-19 2001-10-09 Fuji Photo Film Co., Ltd. Lens-fitted photo film unit having a recess and ridges in a housing thereof
US6470145B1 (en) * 1999-01-13 2002-10-22 Eastman Kodak Company One-time-use camera with electronic flash having film identifying indicia
US20030137599A1 (en) * 2002-01-18 2003-07-24 Jone Su DIY-assembled easy digital camera
US20170171438A1 (en) * 2015-12-14 2017-06-15 Colgate-Palmolive Company Color measurement jig

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996002070A2 (en) * 1994-07-12 1996-01-25 National Semiconductor Corporation Integrated circuit comprising a trench isolation structure and an oxygen barrier layer and method for forming the integrated circuit

Citations (2)

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Publication number Priority date Publication date Assignee Title
US4278339A (en) * 1979-05-18 1981-07-14 Minolta Camera Kabushiki Kaisha Pentagonal prism module for camera viewfinder
US4812866A (en) * 1987-02-06 1989-03-14 Fuji Photo Film Co., Ltd. Photographic film package

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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US4882600A (en) * 1989-04-07 1989-11-21 Eastman Kodak Company Underwater disposable single-use camera
US5134526A (en) * 1989-12-28 1992-07-28 Olympus Optical Co., Ltd. Focus detecting optical system including eccentrically disposed aperture stops
US5146256A (en) * 1991-02-19 1992-09-08 Eastman Kodak Company Close-up attachment for single-use camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278339A (en) * 1979-05-18 1981-07-14 Minolta Camera Kabushiki Kaisha Pentagonal prism module for camera viewfinder
US4812866A (en) * 1987-02-06 1989-03-14 Fuji Photo Film Co., Ltd. Photographic film package

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537176A (en) * 1993-03-01 1996-07-16 Fuji Photo Film Co., Ltd. Lens-fitted photographic film unit
US5576793A (en) * 1993-03-01 1996-11-19 Fuji Photo Film Co., Ltd. Lens-fitted photographic film unit
US5713046A (en) * 1993-10-07 1998-01-27 Fuji Photo Film Co., Ltd. Lens-fitted photographic film unit
US5463439A (en) * 1994-05-19 1995-10-31 Eastman Kodak Company Fold-in information-bearing panel and fold-out write-on panel for outer cover of single-use camera
US5634164A (en) * 1994-09-19 1997-05-27 Fuji Photo Film Co., Ltd. Lens-fitted photographic film unit shaped to compensate for jacket expansion
US6301437B1 (en) * 1995-07-19 2001-10-09 Fuji Photo Film Co., Ltd. Lens-fitted photo film unit having a recess and ridges in a housing thereof
US6522836B2 (en) 1995-07-19 2003-02-18 Fuji Photo Film Co., Ltd. Lens-fitted photo film unit having a recess and ridges in a housing thereof
US5711424A (en) * 1996-08-29 1998-01-27 Eastman Kodak Company Packaged one-time-use camera and accessory belt clip
US6470145B1 (en) * 1999-01-13 2002-10-22 Eastman Kodak Company One-time-use camera with electronic flash having film identifying indicia
US6078754A (en) * 1999-04-01 2000-06-20 Eastman Kodak Company Combined frame counter and view
US6192194B1 (en) 2000-03-09 2001-02-20 Eastman Kodak Company Camera housing with window insert conforming to housing shape
US20030137599A1 (en) * 2002-01-18 2003-07-24 Jone Su DIY-assembled easy digital camera
US20170171438A1 (en) * 2015-12-14 2017-06-15 Colgate-Palmolive Company Color measurement jig
US10271732B2 (en) * 2015-12-14 2019-04-30 Colgate-Palmolive Company Color measurement jig

Also Published As

Publication number Publication date
EP0607852A1 (en) 1994-07-27
JPH07191435A (en) 1995-07-28

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